PLEASE HELP MEEE WILL MARK BRAINLIEST!! describe the arm race between the United States and the Soviet Union in the 1950s. evaluate whether each group was reactionary, strategic, or both.

d is the answer. leo should include the source.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.